CN107312709B - Rural methane-generating pit intelligence temperature control system of using with preliminary treatment - Google Patents
Rural methane-generating pit intelligence temperature control system of using with preliminary treatment Download PDFInfo
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- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
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- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/06—Nozzles; Sprayers; Spargers; Diffusers
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
- C12M41/24—Heat exchange systems, e.g. heat jackets or outer envelopes inside the vessel
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/30—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
- C12M41/34—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of gas
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- C—CHEMISTRY; METALLURGY
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- C12M45/00—Means for pre-treatment of biological substances
- C12M45/02—Means for pre-treatment of biological substances by mechanical forces; Stirring; Trituration; Comminuting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The invention provides an intelligent temperature control system for a rural biogas digester with pretreatment, and aims to solve the technical problems that the rural household biogas digester has insufficient straw fermentation, low biogas production rate in a low-temperature environment in winter, time and labor waste in manual operation, low resource utilization rate and the like in the fermentation process. The invention comprises a raw material crushing system, a raw material early fermentation treatment device and a raw material later-stage qualification rate detection and discharge system, wherein a blanking port of the raw material crushing system is connected with a feeding port of the raw material early fermentation treatment device, and the raw material early fermentation treatment device is connected with the raw material later-stage qualification rate detection and discharge system through a material conveyor. According to the invention, fermentation raw materials such as straws and excrement are pretreated, an electric heating rod is additionally arranged in the fermentation tank for controlling the temperature, a metal ion solution is added into biogas slurry through the hollow holes of the stirring device, the fermentation rate of the biogas slurry is accelerated, and finally biogas residues are extracted to form biogas manure.
Description
Technical Field
The invention relates to a rural household biogas technology, in particular to an intelligent temperature control system with pretreatment for a rural biogas pool.
Background
The problems of long cold period in winter, low outdoor environment temperature, low gas production rate of rural household biogas digesters, insufficient biogas supply, low utilization rate and the like in central China are prominent. The prior rural household biogas digester has complex operation, time and labor waste during normal operation, and seriously influences the application and popularization of the biogas in the central area. In addition, the problems of resource and environment caused by the surplus of straw resources in the central area and the burning of the straw in the peripheral area are increasingly serious, and during the fermentation process, the problems of insufficient straw fermentation, low gas production rate in low-temperature environment in winter, time and labor waste in manual operation, low resource utilization rate and the like exist.
Disclosure of Invention
The invention aims to solve the technical problems that the rural household biogas digester has insufficient straw fermentation, low biogas production rate in low-temperature environment in winter, time and labor waste in manual operation, low resource utilization rate and the like in the fermentation process, and provides the intelligent temperature control system with the pretreatment function for the rural biogas digester, which saves resources and is simple to operate.
In order to solve the technical problems, the invention adopts the following technical scheme: an intelligent temperature control system with pretreatment for rural biogas digesters comprises a raw material pretreatment system, a biogas digester, a biogas residue treatment system, an intelligent temperature control mass transfer stirring system and a control system; the raw material pretreatment system, the methane tank and the methane slag treatment system are sequentially connected, the intelligent temperature-control mass-transfer stirring system is arranged in the methane tank, and the raw material pretreatment system, the methane tank, the methane slag treatment system and the intelligent temperature-control mass-transfer stirring system are electrically connected with the central control system.
The raw material pretreatment system comprises a raw material crushing system, a raw material early fermentation treatment device and a raw material later-stage qualification rate detection and discharge system, a blanking port of the raw material crushing system is connected with a feeding port of the raw material early fermentation treatment device, and the raw material early fermentation treatment device is connected with the raw material later-stage qualification rate detection and discharge system through a material conveyer.
The raw material crushing system comprises a material crusher and a storage box, a material conveyer is arranged between the material crusher and the storage box, and a discharge port of the storage box is communicated with the raw material early fermentation treatment equipment.
The raw material early fermentation treatment equipment comprises a heat insulation layer, wherein a radiation heater, a humidifier, a temperature and humidity sensor and a guide rail are arranged in the heat insulation layer, a plurality of rotary material reaction boxes are arranged on the guide rail, and rotators are arranged on two sides of each rotary material reaction box; the radiation heater, the humidifier, the temperature and humidity sensor, the rotary material reaction box and the rotator are all connected with the central control system.
The raw material later-stage qualification rate detection and discharge system is internally provided with a quality detector, an infrared temperature detector, a humidity detector and a rotary conveyor which are all connected with the central control system, and the rotary conveyor is connected with the methane tank through a discharge port.
The intelligent temperature-control mass transfer stirring system comprises a stirring device, wherein the stirring device comprises a sleeve-type transmission shaft and a plurality of stirring contact claws, the sleeve-type transmission shaft comprises an inner shaft, an upper sleeve shaft and a lower sleeve shaft, the upper sleeve shaft and the lower sleeve shaft are arranged on the outer side of the inner shaft, a lifting hydraulic control device is arranged between the upper sleeve shaft and the lower sleeve shaft, and the stirring contact claws are arranged below the lower sleeve shaft; the inner shaft is fixedly connected with the upper sleeve shaft, the inner shaft is connected with the lower sleeve shaft in a sliding manner, and a transmission gear is arranged on the outer side of the upper sleeve shaft and connected with the motor through a transmission belt.
A liquid supercharging device is arranged above the stirring device, a liquid outlet of the liquid supercharging device is communicated with the head end of a liquid conveying hose, the liquid supercharging device penetrates through a sleeve type transmission shaft and extends into the stirring contact claw, and the tail end of the liquid conveying hose is connected with a jet flow cooling nozzle.
The stirring contact claw is provided with a hollow hole, and a temperature sensor and an electric heating rod are arranged inside the stirring contact claw; and a liquid medicine storage tank is arranged between the liquid conveying hose and the jet flow cooling nozzle.
The intelligent temperature-control mass transfer stirring system also comprises a gas leakage-proof system, wherein the gas leakage-proof system comprises an upper gas leakage-proof device and a lower gas leakage-proof device which are respectively arranged at the upper part of the top wall of the methane tank, the upper gas leakage-proof device comprises a concave sealing cover I fixed on an upper sleeve shaft, an outer shell and an inner shell which are fixed at the upper part of the top wall of the methane tank, the inner shell is arranged in the outer shell, sealing oil is filled between the outer shell and the inner shell, and the concave sealing cover I is reversely buckled between the outer shell and the inner shell; the lower gas leakage-proof device comprises a concave sealing cover II fixed on the upper sleeve shaft and a lower shell fixed on the lower part of the top wall of the methane tank, the lower shell is annular, the outer wall of the lower shell is fixed on the lower part of the top wall of the methane tank, gaps are reserved between the inner wall and the lower part of the top wall of the methane tank, the concave sealing cover II is reversely buckled in the lower shell through the gaps between the inner wall and the top wall of the methane tank, and sealing oil is filled in the lower shell.
The biogas residue treatment system comprises a biogas slurry standing storage tank, the biogas slurry standing storage tank is connected with a biogas digester through a biogas residue conveying pipe, a biogas residue filter is arranged at the lower part of the biogas slurry standing storage tank, one side of the biogas residue filter is movably connected with the side wall of the biogas slurry standing storage tank, a material conveyor is arranged below the biogas slurry standing storage tank, and the material conveyor is communicated with a biogas residue drying oven; the lower part of the biogas residue filter is provided with a drainage plate which is communicated with the biogas slurry standing storage box through a biogas slurry conveying pipe.
According to the invention, fermentation raw materials such as straws and excrement are pretreated, an electric heating rod is additionally arranged in the fermentation tank for controlling the temperature, a metal ion solution is added into biogas slurry through the hollow holes of the stirring device, the fermentation rate of the biogas slurry is accelerated, and finally biogas residues are extracted to form biogas manure. A central control system is arranged in the whole process, related mobile phone APP is developed, and remote intelligent control is achieved.
Drawings
FIG. 1 is a schematic diagram of the feed pretreatment system of the present invention;
FIG. 2 is a schematic diagram of the material reduction system of the present invention;
FIG. 3 is a schematic view of the structure of an early stage fermentation treatment apparatus for a raw material according to the present invention;
FIG. 4 is a schematic diagram of the raw material post-stage qualification rate detection and discharge system of the present invention;
FIG. 5 is a schematic view of the storage bin in a closed configuration according to the present invention;
FIG. 6 is a schematic view of the open state of the storage bin according to the present invention;
FIG. 7 is a schematic front view of the rotary material reaction chamber of the present invention;
FIG. 8 is a schematic left side view of the rotary material reaction chamber of the present invention;
FIG. 9 is a schematic top view of the rotary material reaction chamber of the present invention;
FIG. 10 is a schematic structural diagram of an intelligent temperature-control mass-transfer stirring system device of the present invention;
FIG. 11 is a schematic view of the structure of a stirring claw according to the present invention;
FIG. 12 is a partially enlarged view of the structure of a stirring claw according to the present invention;
FIG. 13 is an enlarged view of the upper portion of the stirring device of the present invention;
FIG. 14 is an enlarged cross-sectional view of a drive gear of the present invention;
FIG. 15 is a front view of the driving portion of the stirring device of the present invention;
FIG. 16 is a schematic top view of the driving portion of the stirring device of the present invention;
FIG. 17 is a schematic view of the mating structure of the lower sleeve shaft and the inner shaft of the present invention;
FIG. 18 is a perspective view of the inner shaft of the present invention;
FIG. 19 is a right side view of the inner shaft of the present invention;
FIG. 20 is a perspective view of the lower sleeve shaft of the present invention;
FIG. 21 is a schematic view of the right side of the lower sleeve shaft of the present invention;
FIG. 22 is an enlarged schematic view of the stirring device of the present invention at the lifting hydraulic control device;
FIG. 23 is a schematic view of the structure of a biogas residue treatment system according to the present invention;
FIG. 24 is a schematic view of the gas leakage prevention system of the present invention.
Description of the figure numbers: 1. a material conveyer, 2, a material pulverizer, 201, a material pulverizer II, 3, a material storage box, 4, a radiation heater, 5, a humidifier, 6, a temperature and humidity sensor, 7, a rotary material reaction box, 8, a rotator, 9, a guide rail, 10, a heat insulation layer, 11, a quality detector, 12, an infrared temperature detector, 13, a humidity detector, 14, a rotary conveyer, 15, a liquid pressurizing device, 16, a liquid conveying hose, 17, a sleeve type transmission shaft, 171, an upper sleeve type shaft, 172, a lower sleeve type shaft, 173, a stirring contact claw, 174, an inner shaft, 175, an outer strip type tooth, 176, an inner strip type tooth, 18, a transmission gear, 19, a transmission gear protective shell, 20, a transmission belt, 21, a motor, 22, an upper gas leakage-proof device, 23, a lower gas leakage-proof device, 24, a lifting hydraulic control device, 25 and a temperature sensor, 26. the biogas residue heating device comprises an electric heating rod, 27 a jet flow cooling nozzle, 28 a hollowed hole, 29 a biogas residue pump, 30 a biogas residue conveying pipe, 31 a biogas residue standing storage tank, 32 a biogas residue filter, 33 a biogas slurry conveying pipe, 34 a biogas slurry standing storage tank, 35 a biogas residue drying oven, 36 a liquid medicine storage tank, 37 and a drainage plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 to 24, an intelligent temperature control system with pretreatment for a rural biogas digester comprises a raw material pretreatment system, a biogas digester, a biogas residue treatment system, an intelligent temperature control mass transfer stirring system and a control system; the raw material pretreatment system, the methane tank and the methane slag treatment system are sequentially connected, the intelligent temperature-control mass-transfer stirring system is arranged in the methane tank, and the raw material pretreatment system, the methane tank, the methane slag treatment system and the intelligent temperature-control mass-transfer stirring system are electrically connected with the central control system.
Raw materials pretreatment systems include that raw materials smash system, raw materials early fermentation treatment facility and raw materials later stage qualification rate detect and ejection of compact system, the blanking mouth of raw materials system of smashing links to each other with the feed inlet of raw materials early fermentation treatment facility, raw materials early fermentation treatment facility passes through material conveyer 1 and detects and ejection of compact system with raw materials later stage qualification rate links to each other.
The raw material crushing system comprises a material crusher 2 and a storage box 3, a material conveyer 1 is arranged between the material crusher 2 and the storage box 3, and a discharge port of the storage box 3 is communicated with the raw material early fermentation treatment equipment. Storage case 3 top sets up material grinder II201, smashes the material after 2 smashes by material grinder once more, and crushing effect is better.
The staff puts into material conveyer 1 with the raw materials such as animal waste, straw, etc. into material conveyer 1, and material conveyer 1 conveys raw materials to material grinder 2, will obtain the thin fragment of raw materials after preliminary kibbling raw materials process material grinder II201 is smashed once more, and the thin fragment of raw materials gets into storage case 3 storage under the effect of gravity, and storage case 3 designs to pull out formula, is similar to the drawer, conveniently cleans the work. The valve of the discharge port of the material storage box 3 is controlled by the central control system, the central control system sends a door opening instruction, after the material storage box 3 receives the instruction, the valve is opened, the stored raw material fine fragments are put into the rotary material reaction box 7 of the raw material early fermentation treatment equipment, and the raw material is subjected to early fermentation treatment.
The raw material early fermentation treatment equipment comprises a heat insulation layer 10, wherein a radiation heater 4, a humidifier 5, a temperature and humidity sensor 6 and a guide rail 9 are arranged in the heat insulation layer 10, a plurality of rotary material reaction boxes 7 are arranged on the guide rail 9, and rotators 8 are arranged on two sides of each rotary material reaction box 7; the radiation heater 4, the humidifier 5, the temperature and humidity sensor 6, the rotary material reaction box 7 and the rotator 8 are all connected with a central control system. The rotator 8 is an intelligent regulation rotator and carries out rotation regulation according to monitoring signals. When the rotary material reaction box 7 is fully loaded, the rotary material reaction box is subjected to brake control by the rotators 8 arranged on two sides of the rotary material reaction box 7 and moves on the guide rail 9, meanwhile, the next no-load rotary material reaction box 7 in the raw material early fermentation treatment equipment moves to a raw material fine fragment receiving position to carry out loading operation of the raw material fine fragments, and the operation is repeated until the 7 rotary material reaction boxes 7 are fully loaded, and the central control system intelligently controls the raw material early fermentation pretreatment operation.
The raw material later-stage qualification rate detection and discharge system is internally provided with a quality detector 11, an infrared temperature detector 12, a humidity detector 13 and a rotary conveyor 14 which are all connected with the central control system, and the rotary conveyor 14 is connected with the methane tank through a discharge hole. The rotary conveyor has up-and-down swinging, forward rotation and reverse rotation, and is used for separating qualified raw material fine fragments from unqualified raw material fine fragments. The fine raw material fragments treated by the early raw material fermentation treatment equipment are detected by a quality detector 11, an infrared temperature detector 12 and a humidity detector 13 under the transmission of a material conveyer 1, a central control system receives relevant data for analysis, and issues instructions to separate qualified fine raw material fragments from unqualified fine raw material fragments by utilizing the up-and-down swinging, forward rotation and reverse rotation of a rotary conveyer 14, the qualified fine raw material fragments enter a discharge port and are conveyed to a methane tank for fermentation, and the unqualified fine raw material fragments are conveyed to the ground for manual reprocessing.
The intelligent temperature-control mass transfer stirring system comprises a stirring device, wherein the stirring device comprises a sleeve-type transmission shaft 17 and a plurality of stirring contact claws 173, the sleeve-type transmission shaft 17 comprises an inner shaft 174, an upper sleeve shaft 171 and a lower sleeve shaft 172 which are arranged on the outer side of the inner shaft 174, a lifting hydraulic control device 24 is arranged between the upper sleeve shaft 171 and the lower sleeve shaft 172, and the stirring contact claws 173 are arranged below the lower sleeve shaft 172; the inner shaft 174 is fixedly connected with the upper sleeve shaft 171, the inner shaft 174 is slidably connected with the lower sleeve shaft 172, a transmission gear 18 is arranged on the outer side of the upper sleeve shaft 171, and the transmission gear 18 is connected with the motor 21 through a transmission belt 20. An outer strip-shaped tooth 175 is arranged on the outer side of the inner shaft 174, an inner strip-shaped tooth 176 is arranged on the inner side of the lower sleeve shaft 172, the outer strip-shaped tooth 175 is meshed with the inner strip-shaped tooth 176, the lower sleeve shaft 172 can slide up and down along the inner shaft 174, and the inner shaft 174 drives the lower sleeve shaft 172 to rotate left and right. The transmission gear 18 is arranged above the top wall 40 of the methane tank, and the lifting hydraulic control device 24 is arranged below the top wall of the methane tank. And a transmission gear protective shell 19 is arranged outside the transmission gear 18.
Rotation of the stirring device: the motor 21 works normally, the transmission gear 18 drives the stirring device and the surface part of the top wall of the methane tank to rotate, namely the sleeve type transmission shaft 17 and the lifting hydraulic control device 24 rotate synchronously to drive the stirring contact claw to rotate, and the stirring contact claw works normally. The stirring touches the lift of claw device: the stirring contact claw in the methane tank drives the lower sleeve shaft 172 to ascend or descend through the lifting hydraulic control device 24, and then the lifting of the stirring contact claw in the whole methane tank is controlled.
A liquid supercharging device 15 is arranged above the stirring device, a liquid outlet of the liquid supercharging device 15 is communicated with the head end of a liquid conveying hose 16, the liquid supercharging device 15 penetrates through a sleeve type transmission shaft 17 and extends into the stirring contact claw 173, and the tail end of the liquid conveying hose 16 is connected with a jet flow cooling nozzle 27. The high-strength liquid conveying hose 16 of the system is filled with sufficient additive liquid such as Mg2+ and Co2+, Cu2+, urea, Tween 80 and the like which are stored in different fixed ratios, and the additive liquid is sprayed onto the electric heating rod 26 through the jet flow cooling nozzle 27 to carry out local cooling under the pressure action of the detachable liquid supercharging device 15, so that the additive liquid plays a role in promoting anaerobic fermentation reaction, and the biogas generation rate and the output are improved.
The stirring touch claw 173 is provided with a hollow hole 28, and the stirring touch claw 173 is internally provided with a temperature sensor 25 and an electric heating rod 26. Temperature sensor 25 gathers the temperature information of natural pond liquid natural pond sediment, and the temperature information that will gather transmits central control system to, and central control system uploads data to APP, and the staff utilizes PC or mobile device to look over the information of transmission on the APP, carries out remote monitoring.
When the temperature was too high in the methane-generating pit, be unfavorable for the normal during operation of some enzyme, the staff utilizes APP long-range assignment "cooling" instruction, central control system control electrical heating rod 26 and efflux cooling nozzle 27's work, electrical heating rod 26 stop heating, efflux cooling nozzle 27 sprays "liquid medicine" contains Mg2+ and of different definite ratios, Co2+, urea, solution such as tween 80 cools down, get into the natural pond liquid natural pond sediment in the stirring touch claw through fretwork hole 28, after the temperature reduces, flow out the stirring touch claw in fretwork hole 28 again, under the stirring rotation that touches the claw, constantly have "high temperature" natural pond sediment to pass through fretwork 28 entering stirring touch claw, also constantly have "low temperature" natural pond sediment to flow out the stirring touch claw simultaneously, from this repetition, thereby reduce the temperature in the pond.
If the methane-generating pit needs to heat, the staff can utilize APP, long-range giving "heating" instruction down, APP will "heat" instruction and give down to central control system, central control system gives down instruction control electrical heating rod 26 increase power, jet cooling nozzle 27 stop work, get into the stirring through fretwork hole 28 and touch the natural pond liquid natural pond sediment in the claw, the temperature risees the back, the stirring that flows out again from fretwork hole 28 touches the claw, under the stirring rotation that touches the claw, constantly there is "low temperature" natural pond liquid natural pond sediment to get into the stirring through fretwork hole 28 and touches the claw, also constantly there is "high temperature" natural pond liquid natural pond sediment to flow out the stirring simultaneously and touches the claw, from this relapse, realize heating.
A liquid medicine storage tank 36 is arranged between the liquid delivery hose 16 and the jet flow cooling nozzle 27. The staff adds solution such as Mg2+ and Co2+, Cu2+, urea, Tween 80 of different definite ratios to the liquid medicine storage tank 36 through the liquid conveying hose 16 of high strength, finishes the installation of detachable liquid supercharging device 15, guarantees that the pressure of "liquid medicine" is sufficient, can release the liquid medicine under the high pressure environment in the methane-generating pit. When the gas production rate needs to be improved by adding the liquid medicine or the jet flow local cooling is needed, the liquid medicine is released through the jet flow cooling nozzle 27, and the biogas slurry fermentation gas production is promoted.
The intelligent temperature-control mass-transfer stirring system can simultaneously realize the functions of liquid pressurization, biogas slurry temperature regulation, biogas slurry metal ion addition and the like.
The intelligent temperature-control mass transfer stirring system further comprises a gas leakage-proof system, the gas leakage-proof system comprises an upper gas leakage-proof device 22 and a lower gas leakage-proof device 23 which are respectively arranged on the upper part of the top wall 40 of the methane tank, the upper gas leakage-proof device 22 comprises a concave sealing cover I223 fixed on an upper sleeve shaft 171, an outer shell 221 and an inner shell 222 fixed on the upper part of the top wall 40 of the methane tank, the inner shell 222 is arranged in the outer shell 221, sealing oil 233 is filled between the outer shell 221 and the inner shell 222, and the concave sealing cover I223 is reversely buckled between the outer shell 221 and the inner shell 222; the lower gas leakage-proof device 23 comprises a concave sealing cover II231 fixed on the upper sleeve shaft 171 and a lower shell 232 fixed on the lower part of the top wall 40 of the methane tank, the lower shell 232 is annular, the outer wall of the lower shell 232 is fixed on the lower part of the top wall 40 of the methane tank, gaps are reserved between the inner wall and the lower part of the top wall 40 of the methane tank, the concave sealing cover II231 is reversely buckled in the lower shell 232 through the gap between the inner wall and the top wall 40 of the methane tank, and the lower shell 232 is filled with sealing oil. The liquid level height of sealed oil is higher than the lower surface of concave sealed lid I223 and concave sealed lid II231, and concave sealed lid I223 and concave sealed lid II231 adopt rubber material etc. for this gaseous leakage-proof system realizes oily sealed. During the use, sealed lid I223 of concave type and sealed lid II231 of concave type are sealed well with last quill 171 between, and sealed lid I223 of concave type and sealed lid II231 of concave type rotate along with the rotation of last quill 171, but the lower surface of the two is in sealed oil all the time, prevents gas leakage, adds sealed oil on time, ensures that sealed effect is intact.
The biogas residue treatment system comprises a biogas slurry standing storage tank 31, the biogas slurry standing storage tank 31 is connected with a biogas digester through a biogas residue conveying pipe 30, a biogas residue filter 32 is arranged at the lower part of the biogas slurry standing storage tank 31, one side of the biogas residue filter 32 is movably connected with the side wall of the biogas slurry standing storage tank 31, a material conveyor 1 is arranged below the biogas slurry standing storage tank 31, and the material conveyor 1 is communicated with a biogas residue drying oven 35; the lower part of the biogas residue filter 32 is provided with a drainage plate 37, and the drainage plate 37 is communicated with the biogas slurry standing storage tank 34 through a biogas slurry conveying pipe 33.
The specific working flow of the raw material pretreatment system is as follows: crop straw is carried to the material grinder in by the material conveyer, and the straw after smashing is sent to rotation type material reaction box and is fermented preliminary treatment, and the data that temperature and humidity sensor gathered are handled the back by central control system and are obtained the fermentation progress, and the central control system utilizes the network to upload the APP in with the fermentation progress, and the staff utilizes the APP to control the humiture of fermentation through radiation heater and humidifier.
The specific working process of the intelligent temperature-control mass-transfer stirring system comprises the steps that fermentation additive solutions with different fixed ratios are stored in a high-strength liquid conveying hose, and under the pressure action of a detachable liquid supercharging device, when liquid medicine needs to be added to improve the gas production rate or local jet cooling is needed, the liquid medicine is released through a jet cooling nozzle, so that metal ion adding and cooling work is realized; the surface part at the upper part of the top wall of the methane tank is connected with the stirring contact claw device part in the methane tank through a sleeve type transmission shaft and a lifting hydraulic control device, so that the motor drives the intelligent temperature and mass control stirring device to integrally rotate; temperature sensor gathers the temperature information of natural pond liquid natural pond sediment in the stirring and touches the claw to with information transfer to center control system, center control system uploads data to APP, and the staff utilizes PC or mobile device to look over the information of transmission on the APP, carries out remote monitoring.
The specific working flow of the biogas residue treatment system is as follows: the biogas residue pump 29 works normally, biogas residue is sucked out of the biogas pool by the biogas residue pump 29 through the biogas residue conveying pipe 30 and conveyed into the biogas residue standing storage tank 31 for the next standing separation treatment. The biogas residues which are sucked out of the biogas digester are placed and layered in a biogas residue standing storage tank 31, the biogas slurry is filtered and treated by a biogas residue filter 32, and the liquid in the biogas residues enters a biogas slurry standing storage tank 34 through a biogas slurry conveying pipe 33 to be stored to form liquid biogas manure; the solid in the biogas residue is remained on the upper part of the biogas residue filter 32, after the liquid in the biogas residue is almost completely filtered, one side of the biogas residue filter 32 is rotated downwards, the biogas residue solid slides into the material conveyor 1 under the action of gravity, and then enters a biogas residue drying oven 35 for drying treatment, so as to form the dried biogas fertilizer.
Claims (8)
1. The utility model provides a rural methane-generating pit intelligence temperature control system with preliminary treatment which characterized in that: comprises a raw material pretreatment system, a methane tank, a methane slag treatment system, an intelligent temperature and mass transfer stirring system and a control system; the raw material pretreatment system, the methane tank and the methane slag treatment system are sequentially connected, the intelligent temperature-control mass-transfer stirring system is arranged in the methane tank, and the raw material pretreatment system, the methane tank, the methane slag treatment system and the intelligent temperature-control mass-transfer stirring system are electrically connected with the central control system;
the intelligent temperature-control mass transfer stirring system comprises a stirring device, wherein the stirring device comprises a sleeve-type transmission shaft (17) and a plurality of stirring contact claws (173), the sleeve-type transmission shaft (17) comprises an inner shaft (174), an upper sleeve shaft (171) and a lower sleeve shaft (172) which are arranged on the outer side of the inner shaft (174), a lifting hydraulic control device (24) is arranged between the upper sleeve shaft (171) and the lower sleeve shaft (172), and the stirring contact claws (173) are arranged below the lower sleeve shaft (172); the inner shaft (174) is fixedly connected with the upper sleeve shaft (171), the inner shaft (174) is connected with the lower sleeve shaft (172) in a sliding manner, a transmission gear (18) is arranged on the outer side of the upper sleeve shaft (171), and the transmission gear (18) is connected with the motor (21) through a transmission belt (20);
a liquid supercharging device (15) is arranged above the stirring device, a liquid outlet of the liquid supercharging device (15) is communicated with the head end of a liquid conveying hose (16), the liquid supercharging device (15) penetrates through a sleeve type transmission shaft (17) and extends into the stirring contact claw (173), and the tail end of the liquid conveying hose (16) is connected with a jet flow cooling nozzle (27).
2. The intelligent temperature control system with pretreatment for rural biogas generating pits according to claim 1, characterized in that: the raw material pretreatment system comprises a raw material crushing system, a raw material early fermentation treatment device and a raw material later-stage qualification rate detection and discharge system, a blanking port of the raw material crushing system is connected with a feeding port of the raw material early fermentation treatment device, and the raw material early fermentation treatment device is connected with the raw material later-stage qualification rate detection and discharge system through a material conveyor (1).
3. The intelligent temperature control system with pretreatment for rural biogas generating pits according to claim 2, characterized in that: the raw material crushing system comprises a material crusher (2) and a storage box (3), a material conveyer (1) is arranged between the material crusher (2) and the storage box (3), and a discharge port of the storage box (3) is communicated with the early raw material fermentation treatment equipment.
4. The intelligent temperature control system with pretreatment for rural biogas generating pits according to claim 2, characterized in that: the early raw material fermentation treatment equipment comprises a heat insulation layer (10), wherein a radiation heater (4), a humidifier (5), a temperature and humidity sensor (6) and a guide rail (9) are arranged in the heat insulation layer (10), a plurality of rotary material reaction boxes (7) are arranged on the guide rail (9), and rotators (8) are arranged on two sides of each rotary material reaction box (7); the radiation heater (4), the humidifier (5), the temperature and humidity sensor (6), the rotary material reaction box (7) and the rotator (8) are all connected with the central control system.
5. The intelligent temperature control system with pretreatment for rural biogas generating pits according to claim 2, characterized in that: the raw material later-stage qualification rate detection and discharge system is internally provided with a quality detector (11), an infrared temperature detector (12), a humidity detector (13) and a rotary conveyor (14) which are all connected with the central control system, and the rotary conveyor (14) is connected with the methane tank through a discharge hole.
6. The intelligent temperature control system with pretreatment for rural biogas generating pits according to claim 1, characterized in that: the stirring contact claw (173) is provided with a hollow hole (28), and a temperature sensor (25) and an electric heating rod (26) are arranged inside the stirring contact claw (173); a liquid medicine storage tank (36) is arranged between the liquid delivery hose (16) and the jet flow cooling nozzle (27).
7. The intelligent temperature control system with pretreatment for rural biogas generating pits according to claim 1, characterized in that: the intelligent temperature-control mass transfer stirring system further comprises a gas leakage-preventing system, the gas leakage-preventing system comprises an upper gas leakage-preventing device (22) and a lower gas leakage-preventing device (23) which are respectively arranged on the upper part of the top wall (40) of the methane tank, the upper gas leakage-preventing device (22) comprises a concave sealing cover I (223) fixed on an upper sleeve shaft (171), an outer shell (221) and an inner shell (222) fixed on the upper part of the top wall (40) of the methane tank, the inner shell (222) is arranged in the outer shell (221), sealing oil is filled between the outer shell (221) and the inner shell (222), and the concave sealing cover I (223) is reversely buckled between the outer shell (221) and the inner shell (222); the lower gas leakage-proof device (23) comprises a concave sealing cover II (231) fixed on the upper sleeve shaft (171) and a lower shell (232) fixed on the lower part of the methane tank top wall (40), the lower shell (232) is annular, the outer wall of the lower shell (232) is fixed on the lower part of the methane tank top wall (40), a gap is reserved between the inner wall and the lower part of the methane tank top wall (40), the concave sealing cover II (231) is reversely buckled in the lower shell (232) through the gap between the inner wall and the methane tank top wall (40), and sealing oil (233) is filled in the lower shell (232).
8. The intelligent temperature control system with pretreatment for rural biogas generating pits according to claim 1, characterized in that: the biogas residue treatment system comprises a biogas slurry standing storage tank (31), the biogas slurry standing storage tank (31) is connected with a biogas digester through a biogas residue conveying pipe (30), a biogas residue filter (32) is arranged at the lower part of the biogas slurry standing storage tank (31), one side of the biogas residue filter (32) is movably connected with the side wall of the biogas slurry standing storage tank (31), a material conveyor (1) is arranged below the biogas slurry standing storage tank (31), and the material conveyor (1) is communicated with a biogas residue drying oven (35); the lower part of the biogas residue filter (32) is provided with a drainage plate (37), and the drainage plate (37) is communicated with a biogas slurry standing storage tank (34) through a biogas slurry conveying pipe (33).
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| CN111004712A (en) * | 2019-12-27 | 2020-04-14 | 洛阳希望生物科技有限公司 | A probiotic fermenting installation for producing feed additive |
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| CN102517200A (en) * | 2011-11-21 | 2012-06-27 | 云南昆船第二机械有限公司 | Organic waste dry anaerobic high-temperature fermentation system and fermentation process |
| WO2017016474A1 (en) * | 2015-07-30 | 2017-02-02 | 石伟 | Organic fertilizer fermentation tank |
| CN106591113A (en) * | 2016-12-22 | 2017-04-26 | 江苏创益电子科技有限公司 | Horizontal rotary food fermentation equipment |
| CN206266593U (en) * | 2016-12-07 | 2017-06-20 | 柴宗曦 | A kind of Novel lemon acid production fermentation tank |
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| CN102517200A (en) * | 2011-11-21 | 2012-06-27 | 云南昆船第二机械有限公司 | Organic waste dry anaerobic high-temperature fermentation system and fermentation process |
| WO2017016474A1 (en) * | 2015-07-30 | 2017-02-02 | 石伟 | Organic fertilizer fermentation tank |
| CN206266593U (en) * | 2016-12-07 | 2017-06-20 | 柴宗曦 | A kind of Novel lemon acid production fermentation tank |
| CN106591113A (en) * | 2016-12-22 | 2017-04-26 | 江苏创益电子科技有限公司 | Horizontal rotary food fermentation equipment |
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